Highcharts bubble chart dataLabels overlapping -


as shown in picture (which not same code fiddle, exhibits problem), highcharts new bubble charts seems datalabels sit on top of each other. there easy workaround this? i'd happy manually change z-index on per label basis, doesn't seem work bubble charts. here's sample code fails work expected (try in fiddle):

series: [{     data: [{         x: 99,         y: 36,         z: 50     }, {         x: 99,         y: 74,         z: 55,         datalabels: {             zindex:15,             enabled: true,         }     }, {         x: 99,         y: 76,         z: 55,         datalabels: {             zindex: 1,             enabled: true            }      }     ] }],

enter image description here

you can set usehtml: true flag, , set z-index: x property datalabels, see: http://jsfiddle.net/zlmu8/4/


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